I have to apologize here...I did make a mistake when I searched for this info. It's the Glock 42 that is a blowback (.380)...and thus aluminum ammo is not recommended to be used. That's right from Glock, I'm sure you know this.
Again, I can find way way too many sites on the internet that support my assertion that aluminum ammo shouldn't be used in a blowback firearm or in a firearm that doesn't support the case fully. I should have stuck to just posting about the Sub2000 that was asked about...in the future I shall.
Mark, I was asked to be a Mod on the forum for a couple of reasons...I interacted well with the forum in general, I have a good general knowledge of KelTecs (and firearms in general), I have pretty darned good Google-Fu and know how to use it...and I think one reason is I have a good humor. I also have a pretty good way of putting words to paper...most of the time. I can mess that up in a quick hurry also...lol.
I'm a volunteer...the mods don't get paid, we do it because we like doing it. We love dealing with people that also have a love for the forum, we put up with others that don't have that connection like we do. We don't do well at all with people that are just here to bitch and gripe and cause us troubles. We tend to rally around each other in support when one of us is called out, be it rightly or not...we are defencive of each other. We are a very good team.
Another reason I think I was asked to be a Mod is I'm not shy about using my Mod superpowers when I feel they're needed...in support of the Forum or the Rules or the other Mods. Such as this case in dealing with you. You don't like my answer...or my lack of support for my answer. Well, tough tooties. I gave my opinion and what I could find on the internet as my trying to be helpful answer...which is still my opinion. Either prove me wrong and shut up, or move on to another topic and shut up...or leave. Either voluntarily or I'll do it for you. You're more than welcome to stay, but knock off the attitude. Try to be helpful, and grow to be a member of a very good forum...but knock it off, one way or another.